Add IME UI related extension API.

chrome/browser/extensions/extension_input_ui_api.h

Index: chrome/browser/extensions/extension_input_ui_api.h
diff --git a/chrome/browser/extensions/extension_input_ui_api.h b/chrome/browser/extensions/extension_input_ui_api.h
new file mode 100644
index 0000000000000000000000000000000000000000..916c94c6318e52002da49ba9d392d9d5100b5de2
--- /dev/null
+++ b/chrome/browser/extensions/extension_input_ui_api.h
@@ -0,0 +1,103 @@
+// Copyright (c) 2011 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef CHROME_BROWSER_EXTENSIONS_EXTENSION_INPUT_UI_API_H_
+#define CHROME_BROWSER_EXTENSIONS_EXTENSION_INPUT_UI_API_H_
+#pragma once
+
+#include <string>
+
+#include "base/memory/singleton.h"
+#include "base/scoped_ptr.h"
+#include "chrome/browser/extensions/extension_function.h"
+
+class InputUiController;
+class ListValue;
+class Profile;
+
+namespace chromeos {
+class InputMethodLookupTable;
+}
+
+class ExtensionInputUiEventRouter {
+ public:
+  static ExtensionInputUiEventRouter* GetInstance();
+  void Init();
+
+ private:
+  friend class InputUiController;
+  friend class CandidateClickedInputUiFunction;
+  friend class CursorUpInputUiFunction;
+  friend class CursorDownInputUiFunction;
+  friend class PageUpInputUiFunction;
+  friend class PageDownInputUiFunction;
+  friend class RegisterInputUiFunction;
+  friend struct DefaultSingletonTraits<ExtensionInputUiEventRouter>;
+
+  ExtensionInputUiEventRouter();
+  virtual ~ExtensionInputUiEventRouter();

[Yusuke Sato, 2011/05/02 07:33:31]

nit: do we have any reason to make the destructor virtual?

[Peng, 2011/05/02 17:17:23]

Done.

+
+  void Register(Profile* profile, const std::string& extension_id);
+  void CandidateClicked(Profile* profile,
+      const std::string& extension_id, int index, int button);
+  void CursorUp(Profile* profile, const std::string& extension_id);
+  void CursorDown(Profile* profile, const std::string& extension_id);
+  void PageUp(Profile* profile, const std::string& extension_id);
+  void PageDown(Profile* profile, const std::string& extension_id);
+
+  void OnHideAuxiliaryText();
+  void OnHideLookupTable();
+  void OnSetCursorLocation(int x, int y, int width, int height);
+  void OnUpdateAuxiliaryText(const std::string& utf8_text);
+  void OnUpdateLookupTable(
+      const chromeos::InputMethodLookupTable& lookup_table);
+
+  void DispatchEvent(Profile* profile,
+                     const char* event_name,
+                     const std::string& json_args);
+
+  Profile* profile_;
+  std::string extension_id_;
+  InputUiController* ui_controller_;

[Yusuke Sato, 2011/05/02 07:33:31]

scoped_ptr<InputUiController> would be better?

[Peng, 2011/05/02 17:17:23]

Done.

+
+  DISALLOW_COPY_AND_ASSIGN(ExtensionInputUiEventRouter);
+};
+
+class RegisterInputUiFunction : public SyncExtensionFunction {
+ public:
+  virtual bool RunImpl();
+  DECLARE_EXTENSION_FUNCTION_NAME("experimental.input.ui.register");
+};
+
+class CandidateClickedInputUiFunction : public SyncExtensionFunction {
+ public:
+  virtual bool RunImpl();
+  DECLARE_EXTENSION_FUNCTION_NAME("experimental.input.ui.candidateClicked");
+};
+
+class CursorUpInputUiFunction : public SyncExtensionFunction {
+ public:
+  virtual bool RunImpl();
+  DECLARE_EXTENSION_FUNCTION_NAME("experimental.input.ui.cursorUp");
+};
+
+class CursorDownInputUiFunction : public SyncExtensionFunction {
+ public:
+  virtual bool RunImpl();
+  DECLARE_EXTENSION_FUNCTION_NAME("experimental.input.ui.cursorDown");
+};
+
+class PageUpInputUiFunction : public SyncExtensionFunction {
+ public:
+  virtual bool RunImpl();
+  DECLARE_EXTENSION_FUNCTION_NAME("experimental.input.ui.pageUp");
+};
+
+class PageDownInputUiFunction : public SyncExtensionFunction {
+ public:
+  virtual bool RunImpl();
+  DECLARE_EXTENSION_FUNCTION_NAME("experimental.input.ui.pageDown");
+};
+
+#endif  // CHROME_BROWSER_EXTENSIONS_EXTENSION_INPUT_UI_API_H_